Determine 3831

Dano has 2x more money than Milos. Jarka has 4 euros more than Miloš. They have a total of 52 euros. Determine how much money Dano, Miloš, and Jarka have.

Correct answer:

d =  24
j =  16
m =  12

Step-by-step explanation:


d=2m
j=4+m
d+m+j = 52

d=2·m
j=4+m
d+m+j = 52

d-2m = 0
j-m = 4
d+j+m = 52

Row 3 - Row 1 → Row 3
d-2m = 0
j-m = 4
j+3m = 52

Row 3 - Row 2 → Row 3
d-2m = 0
j-m = 4
4m = 48


m = 48/4 = 12
j = 4+m = 4+12 = 16
d = 0+2m = 0+2 · 12 = 24

d = 24
j = 16
m = 12

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